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Finding the Fourth Proportional to 591.89, 816.60 and 367.59

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Solution

The fourth proportional to 591.89, 816.60 and 367.59 is: 507.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.89 : 816.60 = 367.59 : x
  2. Step 2: Convert to fraction form
    591.89/816.60 = 367.59/x
  3. Step 3: Cross multiply
    591.89x = 816.60 × 367.59
  4. Step 4: Simplify right side
    591.89x = 300,173.99
  5. Step 5: Solve for x
    x = 300,173.99/591.89
  6. Step 6: Final answer
    x = 507.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.